I am having the same issue. After getting the 2.6.38 kernel, the brightness keys stopped working.
The keys work if you add acpi_osi=Linux to your kernel boot options but the brightness control still doesn't work properly. When you continually press the increase button and it gets near the upper end of the brightness scale, it just starts flipping back and forward between dim and bright. At lower brightness levels the controls work as expected. I tried updating the BIOS and adding acpi_backlight=vendor to the kernel boot string but it didn't make any difference. I have an Asus Eee PC 1015PEM. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/717284 Title: [Regression] Screen brightness buttons do not work on EEE PC -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
